Spring DataIntegrityViolationException: Cannot Determine Value Type for 'branchname' Column

This exception is thrown when there is an error while trying to retrieve the 'branchname' column from a result set. The cause of this error is a SQLDataException, which is thrown because the value '小张的快乐总店' cannot be determined as a valid data type.

To resolve this issue, you can check the data type of the 'branchname' column in your database and ensure that it is compatible with the value you are trying to retrieve. You may need to modify the data type or format of the column to match the value being retrieved.

Additionally, you can also check if there are any constraints or validations on the 'branchname' column that could be causing this error. Make sure that the value you are trying to retrieve satisfies all the constraints defined for the column.